SFI Certified Adult Medium Armadillo Rib Vest for Kart ProtectionIn the heartbeat of kart racing, where bars and walls lurk, the Armadillo Rib Vest SFI Certified Adult Medium emerges as your armored ally. Sized for 34. 5" to 39" chests, this vest deploys segmented padding like an armadillo's shell, dispersing forces from side swipes or rollovers to keep ribs intact and breathing steady. SFI Certification: Meets rigorous standards for sanctioned events, ensuring you're legal and protected across tracks. Segmented